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Finding the Fourth Proportional to 430,470.32, 594,040.92 and 239,483.12

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Solution

The fourth proportional to 430,470.32, 594,040.92 and 239,483.12 is: 330,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,470.32 : 594,040.92 = 239,483.12 : x
  2. Step 2: Convert to fraction form
    430,470.32/594,040.92 = 239,483.12/x
  3. Step 3: Cross multiply
    430,470.32x = 594,040.92 × 239,483.12
  4. Step 4: Simplify right side
    430,470.32x = 142,262,772,929.27
  5. Step 5: Solve for x
    x = 142,262,772,929.27/430,470.32
  6. Step 6: Final answer
    x = 330,482.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.